POSCO (PKX) - Market capitalization

Market cap: C$21.55 Billion

As of December 2025 POSCO has a market cap of C$21.55 Billion. This makes POSCO the world's 1374th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.

Market cap history of POSCO from 1996 to 2025

End of year Market Cap

Year	Marketcap	Change
2025	C$21.55 B	14.14%
2024	C$18.88 B	-51.04%
2023	C$38.58 B	72.05%
2022	C$22.42 B	0.87%
2021	C$22.23 B	-12.19%
2020	C$25.31 B	18.52%
2019	C$21.36 B	-9.78%
2018	C$23.68 B	-24.11%
2017	C$31.20 B	36.15%
2016	C$22.91 B	46.2%
2015	C$15.67 B	-32.71%
2014	C$23.29 B	-11.24%
2013	C$26.24 B	6.09%
2012	C$24.74 B	-4.07%
2011	C$25.79 B	-22.33%
2010	C$33.20 B	-21.88%
2009	C$42.50 B	51.68%
2008	C$28.02 B	-38.2%
2007	C$45.34 B	51.77%
2006	C$29.87 B	61.78%
2005	C$18.46 B	7.22%
2004	C$17.22 B	21.08%
2003	C$14.22 B	11.4%
2002	C$12.77 B	-9.69%
2001	C$14.14 B	57.14%
2000	C$8.99 B	-51.46%
1999	C$18.53 B	88.67%
1998	C$9.82 B	6.76%
1997	C$9.20 B	-11.02%
1996	C$10.34 B

End of Day market cap according to different sources

On Dec 22nd, 2025 the market cap of POSCO was reported to be:

C$23.55 Billion

by Nasdaq

C$21.55 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
U.S. Steel X	C$17.05 B	-20.89%	🇺🇸 USA
ArcelorMittal MT	C$47.09 B	118.45%	🇱🇺 Luxembourg
Companhia Siderúrgica Nacional SID	C$2.98 B	-86.14%	🇧🇷 Brazil
Nucor NUE	C$51.63 B	139.50%	🇺🇸 USA
Ternium TX	C$10.37 B	-51.90%	🇱🇺 Luxembourg
Commercial Metals Company CMC	C$10.74 B	-50.14%	🇺🇸 USA
Gerdau GGB	C$10.01 B	-53.53%	🇧🇷 Brazil
Mechel PAO MTLR.ME	C$0.54 B	-97.49%	🇷🇺 Russia

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Market capitalization of POSCO (PKX)

Market cap: C$21.55 Billion